Home / 57,223,426.20-85,840,388.10-18,885,024.60

Finding the Fourth Proportional to 57,223,426.20, 85,840,388.10 and 18,885,024.60

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Solution

The fourth proportional to 57,223,426.20, 85,840,388.10 and 18,885,024.60 is: 28,329,269.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,223,426.20 : 85,840,388.10 = 18,885,024.60 : x
  2. Step 2: Convert to fraction form
    57,223,426.20/85,840,388.10 = 18,885,024.60/x
  3. Step 3: Cross multiply
    57,223,426.20x = 85,840,388.10 × 18,885,024.60
  4. Step 4: Simplify right side
    57,223,426.20x = 1,621,097,840,942,047.25
  5. Step 5: Solve for x
    x = 1,621,097,840,942,047.25/57,223,426.20
  6. Step 6: Final answer
    x = 28,329,269.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.